GPS-denied environment

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Assured Position Navigation and Timing (APNT)

The U.S. Armed Forces have become reliant on the Global Positioning System (GPS) for precision navigation for foot mobile infantry to high-end precision weapons. Assured positioning, navigation, and timing (APNT) is defined as the ability…

Defense Advanced Research Project Agency’s (DARPA’s) Precise Robust Inertial Guidance for Munitions (PRIGM) Project

For more information on PRIGM: https://www.darpa.mil/program/precise-robust-inertial-guidance-for-munitions